@article{ARM_1973__9_3_a0,
     author = {Bartu\v{s}ek, Miroslav},
     title = {Note on the theory of dispersions of the differential equation $y''=q(t)y$},
     journal = {Archivum mathematicum},
     pages = {99--104},
     publisher = {mathdoc},
     volume = {09},
     number = {3},
     year = {1973},
     mrnumber = {0348184},
     zbl = {0282.34024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1973__9_3_a0/}
}